FieldError: Unsupported lookup 'icontains' for ForeignKey or join on the field not permitted.

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Sentry Issue: BACKEND-MEDLEMSSYSTEM-3TD

FieldError: Unsupported lookup 'icontains' for ForeignKey or join on the field not permitted.
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  File "django/db/models/sql/query.py", line 1405, in build_filter
    return self._add_q(
  File "django/db/models/sql/query.py", line 1577, in _add_q
    child_clause, needed_inner = self.build_filter(
  File "django/db/models/sql/query.py", line 1492, in build_filter
    condition = self.build_lookup(lookups, col, value)
  File "django/db/models/sql/query.py", line 1313, in build_lookup
    lhs = self.try_transform(lhs, lookup_name)
  File "django/db/models/sql/query.py", line 1357, in try_transform
    raise FieldError(